CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

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The preferred metric screw thread is the Coarse Thread Pitch. If this is not suitable due to wall thickness and space considerations, the Fine Thread Pitch is available. 
 
Size (mm) Pitch (mm) Tap Drill (mm) Clearance Drill (mm)
 1.6  0.35  1.25  1.8
 2  0.4  1.60  2.4
 2.5  0.45  2.00  2.90
 3  0.5  2.50  3.40
 3.5  0.6  2.90  3.90
 4  0.7  3.30  4.50
 5  0.8  4.20  5.50
 6  1  5.00  6.60
 8  1.25  6.80  9.00
 10  1.5  8.50  12.00
 12  1.75  10.20  14.00
 14  2  12.00  16.00
 16  2  14.00  18.00
 20  2.5  17.50  22.00
 22  2.5  19.50  25.00
 24  3  21.00  27.00
 27  3  24.00  30.00
 30  3.5  26.50  33.00
 36  4  32.00  40.00
 42  4.5  37.50  46.00
 48  5  43.00  53.00
 56  5.5  50.50  62.00
 64  6  58.00  70.00
 72  6    
 80  6    
 90  6    
 100  6    
Glossary
CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.